# Question: Refer to Exercise 17 22 a If the five investigators are

Refer to Exercise 17.22.

a. If the five investigators are considered to be a fixed effect, what are the hypotheses being tested, and what conclusions can be drawn if the null hypothesis is rejected? State your answer in terms of a parameter(s) reflecting the difference in the propellants.

b. If the five investigators are considered to be a random effect, what are the hypotheses being tested, and what conclusions can be drawn if the null hypothesis is rejected? State your answer in terms of a parameter(s) reflecting the difference in the propellants.

a. If the five investigators are considered to be a fixed effect, what are the hypotheses being tested, and what conclusions can be drawn if the null hypothesis is rejected? State your answer in terms of a parameter(s) reflecting the difference in the propellants.

b. If the five investigators are considered to be a random effect, what are the hypotheses being tested, and what conclusions can be drawn if the null hypothesis is rejected? State your answer in terms of a parameter(s) reflecting the difference in the propellants.

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